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Topic: Spark Plugs!

in Forum: C3 Electrical


Spark Plugs!

Posted: 10/21/03 1:53am Message 1 of 5
Former Member
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Anacortes, WA - USA
Joined: 12/16/2002
Posts: 1293
Vette(s): 1979 Red #72 C3 Corvette,T-350,Black interior,air,tilt/tele,K&N.And a 1978 Olds Cutlass 350/350,auto,air,2-dr.,buckets
Do you think those "special" plugs,like the U-groove,Splitfire,etc.,is worth the extra money-or just bunch of hype?


Jon,-Majestic Glass Corvette Club-....Red #72,blk.interior,1979 C3 Corvette-TH350,Weiand,Holley,glass tops,Pioneer,3.55's,K&N,Dynomax,Flowmaster 40's,Energy Suspension,Spicer,VB&P(pics soon); 1978 Olds Cutlass Supreme 350/350,Dk. Blue 2-door Coupe-Hotchkis,PST,K&N,XM...'99 Mitsubishi Galant GTZ V6,black/grey leather,intake,strut bars,tint... |IMG|http://www.msnusers.com/cutlasscorvetteworkinprogress/shoebox.msnw?action=ShowPhoto&PhotoID=63|/IMG|

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Spark Plugs!

Posted: 10/21/03 5:41am Message 2 of 5
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Former Member
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Frederick, MD - USA
Joined: 9/8/2003
Posts: 3398
Vette(s): 1969 convertible L71 427/435 4-speed black interior
Bsides my '78 L82 and '69 L71, I have a "Brand X" '67 Dodge Charger, 383 4-spd., and tried a set of Splitfire spark plugs in that. It didn't take more than a few months before the insulators on two cracked. I don't know the reason why (maybe the heat from the headers), but I changed to OE plugs after that, and no more problems.

Just from that experience, I don't see the point in paying extra for the fancy plugs. My opinion is leave the race plugs to the racers and those with extra $ burning holes in their pockets. Besides, the fancy plugs still won't fire if the rest of the ignition system isn't up to par.


Spark Plugs!

Posted: 10/21/03 7:11am Message 3 of 5
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Fountain Valley, CA - USA
Joined: 9/11/2003
Posts: 407
Vette(s): 1969 Daytona Yellow Coupe - ZZ4/4 speed, Hurst shifter, Griffin aluminum radiator w/ Dual Spals, March Serpentine Pulley kit, Hookers with STS Racing Baffles, VB&P Suspension bits, 17" AR Hopsters, L-88 Hood
When it came time to change the plugs in my '70 (while doing other engine work), I deferred to my father-in-law who was helping me out and is a mechanic. He recommended OE replacement A/C Delco plugs over any of the fancy ones and thats what went in. |toungecool|


Spark Plugs!

Posted: 10/21/03 8:11am Message 4 of 5
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Lifetime MemberLifetime Member
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WEST SENECA, NY - USA
Joined: 12/3/2001
Posts: 2379
Vette(s): 1981 Blue Ice Met. w/pearl ghost flames TKO500 5speed. LS1 Swap 3.45 Dana 44.
I run AC Delco rapidfire plugs in mine. No problems what so ever. I figure that if all these fancy style plugs were so great, then the auto manufactures would use them instead. Right? That's my .02 cents
Sarge



GEN III 5.7L "LS6" Engine swap
TKO500 5 spd.
3.54 Dana 44
'69 "N11" Sidepipes
Borgeson Steering Box
Born 8/1981
Sequence #3975




Click here to see more pics of my Vette on CarDomain.


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Spark Plugs!

Posted: 10/21/03 1:43pm Message 5 of 5
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Orlando, FL - USA
Joined: 5/25/2002
Posts: 115
Vette(s): '81 custom Silva/Motion Mako Shark '86 Mallett Motorsports daily driver
Thoughout the years different " novelty/race" plugs have come and gone with various electrodes, the juice will always take the path of least resistance I've played with all kinds of plugs in a rather nasty HP Volkswagen trike and in the end the best were the plan old cheapies,

Other thing I notice is when a company tests like the split fire plugs they us the whole "kit" better wires super coil etc, that's were the powers coming from not the forked tongued plug, I would like to see dyno results on an engine where all they changed was just the plugs, I believe if a person sees a boost and all they do is switch to new plugs of any kind something was wrong with your old plugs,
Two splits = 8 AC's not a value in my opinion.
Just food for thought,
Cheers, T. |cheers|


in Forum: C3 Electrical


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